A comparison of knowledge-based and statistically-based techniques for reference retrieval

Stephen Wade; Peter Willett; Bruce Robinson; Brian Vickery; Alina Vickery

doi:10.1108/eb024270

A comparison of knowledge-based and statistically-based techniques for reference retrieval

Stephen Wade, Peter Willett, Bruce Robinson, Brian Vickery, Alina Vickery

Research output: Contribution to journal › Review article › peer-review

1 Citation (Scopus)

Abstract

This paper reports on a comparative evaluation of two computerised reference retrieval systems, INSTRUCT and PLEXUS. Instruct is a statistically-based system based on best match searching and automatic index term weighting while Plexus uses expert systems techniques to improve access to a conventional Boolean search system. After an introduction to the retrieval techniques used by the two systems, their retrieval effectiveness is compared using a set of nineteen queries and 512 documents on the subject of gardening. The best results were obtained by using the terms suggested by the Plexus system as the basis for an Instruct search.

Original language	English
Pages (from-to)	91-108
Number of pages	18
Journal	Online Information Review
Volume	12
Issue number	2
DOIs	https://doi.org/10.1108/eb024270
Publication status	Published - 1 Feb 1988
Externally published	Yes

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title = "A comparison of knowledge-based and statistically-based techniques for reference retrieval",

abstract = "This paper reports on a comparative evaluation of two computerised reference retrieval systems, INSTRUCT and PLEXUS. Instruct is a statistically-based system based on best match searching and automatic index term weighting while Plexus uses expert systems techniques to improve access to a conventional Boolean search system. After an introduction to the retrieval techniques used by the two systems, their retrieval effectiveness is compared using a set of nineteen queries and 512 documents on the subject of gardening. The best results were obtained by using the terms suggested by the Plexus system as the basis for an Instruct search.",

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author = "Stephen Wade and Peter Willett and Bruce Robinson and Brian Vickery and Alina Vickery",

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AB - This paper reports on a comparative evaluation of two computerised reference retrieval systems, INSTRUCT and PLEXUS. Instruct is a statistically-based system based on best match searching and automatic index term weighting while Plexus uses expert systems techniques to improve access to a conventional Boolean search system. After an introduction to the retrieval techniques used by the two systems, their retrieval effectiveness is compared using a set of nineteen queries and 512 documents on the subject of gardening. The best results were obtained by using the terms suggested by the Plexus system as the basis for an Instruct search.

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KW - Free text retrieval (FTX) software

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JF - Online Information Review

SN - 1468-4527

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A comparison of knowledge-based and statistically-based techniques for reference retrieval

Abstract

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